CN219493099U - Improved corrugated pipe wedge gate valve - Google Patents

Abstract

The utility model discloses an improved corrugated pipe wedge gate valve, which relates to the technical field of gate valves and comprises a valve body and a connecting mechanism arranged above the valve body, wherein the connecting mechanism comprises a fastening component and a protecting component; the fastening assembly comprises a connecting pipe, a flange ring, a connecting shaft, a connecting bracket, a first threaded shaft, a fixed plate and a telescopic sleeve rod, and connecting pipes are arranged on two sides of the valve body; through setting up the fixed plate, the linking bridge of setting can rotate work between through connecting axle and the connecting pipe, then the fixed plate carries out sliding operation through flexible loop bar and between first screw thread axle and the linking bridge, when the external equipment of flange ring and bellows carries out fastening connection through the bolt and acts on, the sliding operation of fixed plate can carry out fastening effect again between the two, improves the stability when carrying out the connection, avoids long-time use to cause the not hard up of bolt.

Description

Improved corrugated pipe wedge gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to an improved corrugated pipe wedge gate valve.

Background

The wedge gate valve is a kind of gate valve, because its sealing surface forms a certain angle with the vertical center line, namely two sealing surfaces form a wedge shape, different from the parallel gate valve, the wedge gate valve also has a wedge-shaped single gate valve, the two sealing surfaces of the most commonly used wedge gate valve form a wedge shape, and the wedge angle varies with the valve parameters.

However, when the wedge gate valve in the prior art is used for connecting the improved corrugated pipes, the wedge gate valve directly performs the function of fastening the corrugated pipes through the bolts, the wedge gate valve is easy to send to the equipment after long-time use, so that the sealing between the equipment is poor, and when the equipment is overhauled, the wedge gate valve is easy to deviate when the equipment is installed, the stability of the equipment during the installation work cannot be ensured, the use requirement of people is not met, and the improved wedge gate valve for the corrugated pipes is needed.

Disclosure of Invention

The utility model aims to provide an improved corrugated pipe wedge gate valve, which solves the problems that when the wedge gate valve is used for connecting an improved corrugated pipe, the wedge gate valve directly uses bolts to connect fastening belts, so that the sealing between devices is poor due to the fact that the wedge gate valve is used for a long time, and when the device is overhauled, the wedge gate valve is used for installing the device, the wedge gate valve is easy to deviate, the stability of the wedge gate valve is not guaranteed, and the use requirement of people is not met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an improved bellows wedge gate valve comprises a valve body and a connecting mechanism arranged above the valve body, wherein the connecting mechanism comprises a fastening component and a protection component;

the fastening assembly comprises a connecting pipe, a flange ring, a connecting shaft, a connecting support, a first threaded shaft, a fixing plate and a telescopic sleeve rod, wherein the connecting pipe is installed on two sides of the valve body, the flange ring is fixedly connected with the tail end of the connecting pipe, the connecting shaft is installed on the outer surface of the connecting pipe, the connecting support is installed on the outer surface of the connecting shaft, the first threaded shaft is installed in the inner portion of the connecting support, the fixing plate is installed at the tail end of the first threaded shaft, and the telescopic sleeve rod is fixedly connected with the inner wall of the fixing plate.

The protection assembly comprises a positioning bolt, a protective cover and a positioning hole, wherein the positioning hole is formed in the upper end face of the valve body, the positioning bolt is installed in the positioning hole, and the protective cover is fixedly connected to the upper end of the positioning bolt.

Preferably, the second threaded shaft is arranged in the protective cover, the valve core is arranged on the outer surface of the second threaded shaft, the sealing bolt is fixedly connected to the surface of the valve core, the sliding groove is formed in the inner wall of the valve body, and the sliding rod is arranged in the sliding groove.

Preferably, the connecting support and the connecting pipe form a rotating structure through the connecting shaft, and the fixing plate and the connecting support form a sliding structure through the telescopic sleeve rod and the first threaded shaft.

Preferably, the four groups of connecting brackets are arranged, and the four groups of connecting brackets are annularly distributed along the outer surface of the connecting pipe.

Preferably, the protective cover and the valve body form a clamping structure through the positioning bolt and the positioning hole.

Preferably, the valve core and the valve body form a sliding structure through the sliding groove and the sliding rod.

Preferably, the valve core is tightly attached to the valve body through a sealing bolt.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up the fixed plate, the linking bridge of setting can rotate work between through connecting axle and the connecting pipe, then the fixed plate carries out sliding operation through flexible loop bar and between first screw thread axle and the linking bridge, when the external equipment of flange ring and bellows carries out fastening connection through the bolt and acts on, the sliding operation of fixed plate can carry out fastening effect again between the two, improves the stability when carrying out the connection, avoids long-time use to cause the not hard up of bolt.

Through setting up the locating bolt, when carrying out the long-time use to the valve body, need dismantle then carry out the installation work to the visor, the visor can carry out the card effect between locating bolt and locating hole and the valve body through the locating bolt, guarantees the stability when carrying out the connection, avoids producing the dislocation when carrying out the installation work, leads to the leakproofness relatively poor, and the case can carry out sliding operation through spout and slide bar and between the valve body, avoids carrying out the equipment and receives the effect of hydraulic pressure and produce the skew under the effect.

Drawings

FIG. 1 is a schematic view of the overall structure of an improved bellows wedge gate valve according to the present utility model;

FIG. 2 is a schematic diagram showing a protective cover connection structure of an improved bellows wedge gate valve according to the present utility model;

FIG. 3 is a schematic view of a connection structure of a connection bracket of an improved bellows wedge gate valve according to the present utility model;

fig. 4 is a schematic diagram of the internal structure of a valve body of an improved bellows wedge gate valve according to the present utility model.

In the figure: 1. a valve body; 2. a connecting pipe; 3. a flange ring; 4. a connecting shaft; 5. a connecting bracket; 6. a first threaded shaft; 7. a fixing plate; 8. a telescopic loop bar; 9. a positioning bolt; 10. a protective cover; 11. a second threaded shaft; 12. a valve core; 13. a sealing bolt; 14. a chute; 15. a slide bar; 16. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4, an improved bellows wedge gate valve is shown, comprising a valve body 1 and a connecting mechanism disposed above the valve body 1, the connecting mechanism comprising a fastening assembly and a protective assembly;

the fastening component comprises a connecting pipe 2, a flange ring 3, a connecting shaft 4, a connecting support 5, a first threaded shaft 6, a fixing plate 7 and a telescopic sleeve rod 8, wherein the connecting pipe 2 is installed on two sides of the valve body 1, the flange ring 3 is fixedly connected with the tail end of the connecting pipe 2, the connecting shaft 4 is installed on the outer surface of the connecting pipe 2, the connecting support 5 is installed on the outer surface of the connecting shaft 4, the first threaded shaft 6 is installed in the inner part of the connecting support 5, the fixing plate 7 is installed at the tail end of the first threaded shaft 6, and the telescopic sleeve rod 8 is fixedly connected with the inner wall of the fixing plate 7.

The protection assembly comprises a positioning bolt 9, a protective cover 10 and a positioning hole 16, wherein the positioning hole 16 is formed in the upper end face of the valve body 1, the positioning bolt 9 is installed in the positioning hole 16, and the protective cover 10 is fixedly connected to the upper end of the positioning bolt 9.

Wherein, as shown in fig. 3, the linking bridge 5 constitutes rotating structure through connecting axle 4 and connecting pipe 2, fixed plate 7 constitutes sliding structure through flexible loop bar 8 and first screw thread axle 6 and linking bridge 5, the linking bridge 5 of setting can rotate work through between connecting axle 4 and the connecting pipe 2, then the fixed plate 7 carries out sliding operation through between flexible loop bar 8 and first screw thread axle 6 and the linking bridge 5, when the external device of flange ring 3 and bellows carries out fastening connection through the bolt and acts on, the sliding operation of fixed plate 7 can carry out fastening again between the two, stability when carrying out the connection is improved, avoid long-time use to cause the not hard up of bolt.

As shown in fig. 3, the connecting brackets 5 are four groups, the four groups of connecting brackets 5 are annularly distributed along the outer surface of the connecting pipe 2, and the four groups of connecting brackets 5 are installed to ensure the stability during the connection work.

As shown in fig. 2, the protection cover 10 forms a locking structure with the valve body 1 through the positioning bolt 9 and the positioning hole 16, when the valve body 1 is used for a long time, the protection cover 10 needs to be detached and then installed, the protection cover 10 can perform a locking effect with the valve body 1 through the positioning bolt 9 and the positioning hole 16, stability in connection is ensured, dislocation in installation is avoided, and poor tightness is caused.

Example 2

As shown in fig. 1, 2 and 4, in this embodiment, for further explanation of example 1, a second threaded shaft 11 is installed inside the protection cover 10, a valve core 12 is installed on the outer surface of the second threaded shaft 11, a sealing bolt 13 is fixedly connected to the surface of the valve core 12, a sliding groove 14 is opened on the inner wall of the valve body 1, and a sliding rod 15 is installed inside the sliding groove 14.

As shown in fig. 4, the valve core 12 and the valve body 1 form a sliding structure through the sliding groove 14 and the sliding rod 15, and when the valve core 12 in the valve body 1 is opened or closed, the valve core 12 can slide between the sliding groove 14 and the sliding rod 15 and the valve body 1, so that the deviation of the equipment under the action of flowing water pressure is avoided.

As shown in fig. 4, the valve core 12 is tightly attached to the valve body 1 by the seal pin 13, and when the valve core 12 performs a sealing action, the seal pin 13 made of a rubber material performs a sealing action, thereby improving the sealing performance of the device.

When in use, the utility model is characterized in that: firstly, the connecting bracket 5 can rotate between the connecting shaft 4 and the connecting pipe 2, then the fixing plate 7 slides between the connecting bracket 5 and the first threaded shaft 6 through the telescopic sleeve rod 8, when the flange ring 3 and the external equipment of the corrugated pipe are fastened and connected through bolts, the sliding operation of the fixing plate 7 can fasten the flange ring 3 and the corrugated pipe again, the stability of the connecting operation is improved, and the loosening of the bolts caused by long-time use is avoided.

Finally, when carrying out the long-time use to valve body 1, need dismantle and then carry out the installation work to visor 10, visor 10 can carry out the block effect between through locating bolt 9 and locating hole 16 and valve body 1, guarantee the stability when carrying out the connection, avoid producing the dislocation when carrying out the installation work, lead to the leakproofness relatively poor, and case 12 can carry out the slip work through between spout 14 and slide bar 15 and valve body 1, avoid carrying out the equipment and receive the effect of hydraulic pressure and produce the skew under the effect of hydraulic pressure.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an improved bellows wedge gate valve, includes valve body (1) and sets up the coupling mechanism in valve body (1) top, its characterized in that: the connecting mechanism comprises a fastening component and a protecting component;

the fastening assembly comprises a connecting pipe (2), a flange ring (3), a connecting shaft (4), a connecting bracket (5), a first threaded shaft (6), a fixing plate (7) and a telescopic sleeve rod (8), wherein the connecting pipe (2) is installed on two sides of the valve body (1), the flange ring (3) is fixedly connected with the tail end of the connecting pipe (2), the connecting shaft (4) is installed on the outer surface of the connecting pipe (2), the connecting bracket (5) is installed on the outer surface of the connecting shaft (4), the first threaded shaft (6) is installed in the connecting bracket (5), the fixing plate (7) is installed at the tail end of the first threaded shaft (6), and the telescopic sleeve rod (8) is fixedly connected with the inner wall of the fixing plate (7).

The protection assembly comprises a positioning bolt (9), a protective cover (10) and a positioning hole (16), wherein the positioning hole (16) is formed in the upper end face of the valve body (1), the positioning bolt (9) is installed in the positioning hole (16), and the protective cover (10) is fixedly connected to the upper end of the positioning bolt (9).

2. An improved bellows wedge gate valve according to claim 1, wherein: the inside of visor (10) is installed second screw thread axle (11), the surface mounting of second screw thread axle (11) has case (12), the fixed surface of case (12) is connected with sealing plug (13), spout (14) have been seted up to the inner wall of valve body (1), the internally mounted of spout (14) has slide bar (15).

3. An improved bellows wedge gate valve according to claim 1, wherein: the connecting support (5) and the connecting pipe (2) form a rotating structure through the connecting shaft (4), and the fixing plate (7) and the connecting support (5) form a sliding structure through the telescopic sleeve rod (8) and the first threaded shaft (6).

4. An improved bellows wedge gate valve according to claim 1, wherein: the four groups of connecting brackets (5) are arranged, and the four groups of connecting brackets (5) are annularly distributed along the outer surface of the connecting pipe (2).

5. An improved bellows wedge gate valve according to claim 1, wherein: the protective cover (10) and the valve body (1) form a clamping structure through the positioning bolt (9) and the positioning hole (16).

6. An improved bellows wedge gate valve according to claim 2, wherein: the valve core (12) and the valve body (1) form a sliding structure through the sliding groove (14) and the sliding rod (15).

7. An improved bellows wedge gate valve according to claim 2, wherein: the valve core (12) is tightly attached to the valve body (1) through a sealing bolt (13).